2004 Acura NSX vs. 1981 Audi UR
To start off, 2004 Acura NSX is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Audi UR. In addition, the cost of maintenance, including insurance, on 1981 Audi UR would be higher. At 2,977 cc (6 cylinders), 2004 Acura NSX is equipped with a bigger engine. In terms of performance, 2004 Acura NSX (249 HP @ 6600 RPM) has 52 more horse power than 1981 Audi UR. (197 HP @ 5500 RPM). In normal driving conditions, 2004 Acura NSX should accelerate faster than 1981 Audi UR. With that said, vehicle weight also plays an important factor in acceleration. 2004 Acura NSX weights approximately 200 kg more than 1981 Audi UR. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Audi UR is four wheel drive (4WD), it will have significant more traction and grip than 2004 Acura NSX. In wet, icy, snow, or gravel driving conditions, 1981 Audi UR will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, both vehicles can yield 285 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles. 2004 Acura NSX has automatic transmission and 1981 Audi UR has manual transmission. 1981 Audi UR will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Acura NSX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Acura NSX | 1981 Audi UR | |
| Make | Acura | Audi |
| Model | NSX | UR |
| Year Released | 2004 | 1981 |
| Engine Position | Middle | Front |
| Engine Size | 2977 cc | 2144 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 249 HP | 197 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 285 Nm | 285 Nm |
| Torque RPM | 5300 RPM | 3500 RPM |
| Engine Bore Size | 90 mm | 79.5 mm |
| Engine Stroke Size | 78 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1450 kg | 1250 kg |
| Vehicle Length | 4430 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1180 mm | 1360 mm |
| Wheelbase Size | 2540 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 70 L |
